WO2014091223A1 - Système de commande de remorque - Google Patents

Système de commande de remorque Download PDF

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Publication number
WO2014091223A1
WO2014091223A1 PCT/GB2013/053251 GB2013053251W WO2014091223A1 WO 2014091223 A1 WO2014091223 A1 WO 2014091223A1 GB 2013053251 W GB2013053251 W GB 2013053251W WO 2014091223 A1 WO2014091223 A1 WO 2014091223A1
Authority
WO
WIPO (PCT)
Prior art keywords
trailer
ebs
control system
fluid
parking valve
Prior art date
Application number
PCT/GB2013/053251
Other languages
English (en)
Inventor
Dudley John Harrison
Carl Robert MELLINGS
Original Assignee
Haldex Brake Products Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haldex Brake Products Limited filed Critical Haldex Brake Products Limited
Priority to EP13805496.0A priority Critical patent/EP2931569B1/fr
Publication of WO2014091223A1 publication Critical patent/WO2014091223A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • B60T13/261—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air
    • B60T13/265—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air dependent systems, e.g. trailer systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • B60T13/261—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air
    • B60T13/263—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air specially adapted for coupling with dependent systems, e.g. tractor-trailer systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/181—Trailer control valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/182—Trailer brake valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/20—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures
    • B60T15/22—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures with one or more auxiliary valves, for braking, releasing, filling reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/20—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
    • B60T8/1708—Braking or traction control means specially adapted for particular types of vehicles for lorries or tractor-trailer combinations

Definitions

  • This invention relates to a trailer control system, and in particular concerns an arrangement for sensing and controlling activity relating to the brakes of a trailer.
  • trailers it is known for trailers to be transported, for instance by ferry, unaccompanied by a towing vehicle or driver.
  • a trailer may be parked at the dock by a tractor, and the trailer is then moved onto, and off, the ferry by a dedicated shunting tractor.
  • the operator of the shunting tractor may only connect the air supply line of the shunting tractor to the trailer, to release the automatic emergency brake. However, doing this may not release all of the brakes that are applied to the wheels of the trailer. Therefore, when the shunting tractor begins to tow the trailer, the trailer maybe dragged without the wheels rotating, leading to "flat spotting" of the trailer's tyres.
  • one aspect of the present invention provides a trailer control system for a trailer comprising: an electronic braking system (EBS); an electrical connection, by which electrical power may be provided to the trailer from an external source; and a fluid connection, through which pressurised fluid may be supplied to the trailer from an external source, the control system comprising a fluid sensor, positioned to sense the introduction of pressurised fluid into the fluid connection, and wherein, if the fluid sensor senses the supply of pressurised fluid into the fluid connection when no external power source is connected to the electrical connection, power is provided to the EBS from an on-board power source to activate the EBS.
  • EBS electronic braking system
  • the EBS when the EBS is activated, stores information in a memory.
  • the trailer further comprises a communication system and wherein, when the EBS is activated, the EBS transmits information to a remote location via the communication system.
  • the information comprises one or more of: the time; the location of the trailer; information obtained from one or more brakes of the trailer; information from a suspension system of the trailer; information from one or more wheel rotation sensors of the trailer; information from one or more cameras provided on the trailer; and information from one or more accelerometers of the trailer.
  • the trailer comprises at least one parking brake and parking valve positioned selectively to allow, in an unlocked position, or prevent, in a locked position, the release of the parking brake by pressurised fluid introduced into the fluid connection and wherein, if the EBS is activated and the parking valve is in the locked position, the EBS causes the parking valve to be moved to the unlocked position.
  • the parking valve is moved to the unlocked position only if movement or attempted movement of the trailer is detected.
  • the fluid sensor is provided between the fluid connection and the parking valve.
  • the parking valve may be moved to the unlocked position by a solenoid controlled by the EBS.
  • the trailer has a manual control to allow the parking valve to be locked and unlocked, and wherein the parking valve may be moved to the unlocked position by the EBS even if the manual control is in the locked position.
  • the trailer may be placed in a mode in which the parking valve may be unlocked by the EBS, and wherein if the trailer is not in the mode then the parking valve will not be unlocked by the EBS.
  • the mode may be manually activated by an operator of the trailer.
  • the mode may be activated in dependence upon information derived from a positioning system of the trailer.
  • one or more locations are stored in a memory that is accessible by the EBS and, if it is determined that the trailer is in one of the one or more locations, or within a pre-set distance of one of the one or more locations, the mode is activated.
  • Another aspect of the present invention provides a trailer comprising a control system according to any of the above.
  • a trailer 1 is shown, equipped with a control system embodying the present invention.
  • the trailer has a number of wheels 2, each of which is provided with a brake 3 which is operated by an actuator 4.
  • a modulator 5 is connected to the actuators 4 by respective pressurised fluid connections 15.
  • An ECU 6 is also provided, and together the modulator 5 and ECU 6 make up the trailer's electronic braking system (EBS).
  • EBS electronic braking system
  • An electrical connection 7 is provided at the front end of the trailer, and this is adapted for connection to a towing tractor (not shown).
  • a connecting cable 8 connects the electrical connector 7 to the ECU 6, and the connecting cable 8 comprises a power cable as well as a data connection, which may be a CAN bus.
  • a fluid connection 9 is also provided at the front end of the trailer 1 , and this connection 9 is adapted to be attached to the air supply of a towing tractor.
  • a fluid line 10 connects the fluid connection 9 to the trailer's EBS.
  • the trailer 1 is provided with two distinct kinds of braking control.
  • the regular brakes 3 (service brakes) that are associated with each wheel may be activated by diverting pressurised fluid to the brakes, thereby increasing the pressure in a brake chamber and exerting a braking force via a disc that slows the rotation of the wheel.
  • one or more wheels of the trailer may have a parking brake, comprising a disc or drum brake arrangement which is held in the "locked” position by the force of a spring. Pressurised fluid must be introduced into the parking brake to overcome the spring pressure and unlock the wheel.
  • a manual parking brake comprising a parking valve which (in the depicted embodiment) forms part of the modulator 5.
  • the parking valve may be operated by a manual brake control 12, which is provided at a convenient location on an exterior of the trailer 1 .
  • a manual brake control 12 In an "unlocked” position the parking valve allows fluid from the fluid supply line 10 to enter the spring brake chambers (possibly by way of a separate port of the EBS), thus releasing the spring brakes.
  • the parking valve exhausts the spring brakes, causing the spring brakes to remain on and hence parking the trailer 1 .
  • the parking valve is open it is in the locked position, and when the parking valve is closed it is in the unlocked position.
  • an operator may set the manual brake control 12 to the "locked” position, so that even if a source of pressurised fluid is attached to the fluid connection 9, the parking valve will prevent the pressurised fluid from unlocking the parking brake.
  • the air supply of the shunting tractor may be attached to the fluid connection 9 at the front of the trailer 1 .
  • This is intended to release the parking brake on the trailer 1 , allowing the wheels 2 of the trailer 1 to turn as the trailer 1 is towed.
  • the operator of the shunting tractor may neglect to operate the manual brake control 12 to unlock the parking valve. In this case, connecting the air supply of the shunting tractor to the fluid connection 9 of the trailer 1 will not cause the parking brake to be unlocked. If the shunting tractor then moves the trailer 1 , the wheels 2 will be dragged without rotating, causing wear and damage to the tyres of the wheels 2.
  • the shunting tractor may begin to tow the trailer 1 before enough time has been allowed for the air supply of the shunting tractor to charge the parking brake on the trailer 1 sufficiently for the trailer's wheels 2 to be unlocked. In this case, the wheels 2 will be dragged without turning until the parking brake is released and the wheels 2 begin to turn, again causing wear and damage.
  • a fluid sensor 13 is provided, associated with the fluid supply line 10.
  • the fluid sensor 13 is adapted to sense when pressurised fluid is introduced into the fluid supply line 10. It will be appreciated that this sensor could be integrated into, or associated with, the modulator 5, and indeed may be positioned anywhere where the connection of a source of pressurised fluid connection 9 may be sensed.
  • the air supply of a shunting tractor is attached to the fluid connection 9, this will be sensed by the fluid sensor 13 and a signal can be passed via a sensor connection 14 to the trailer's EBS.
  • the EBS is not attached to an external supply of electrical power but a signal is received from the fluid sensor 13, the EBS is activated.
  • the EBS may then make a determination as to whether the trailer 1 is being moved without the wheels 2 turning. Movement of the trailer 1 may be determined using on-board accelerometers, through variations in the suspension pressure (as detected by sensors associated with bellows (not shown) of the suspension), or from a positioning system such as a GPS system, which may be incorporated as part of a telematics unit (not shown) of the trailer 1 . If movement is detected, but wheel rotation sensors indicate that the wheels 2 are not rotating, the EBS can make a determination that the trailer 1 is being moved without the wheels 2 turning.
  • the EBS may gather and store certain data relating to the incident. For instance, the location (as derived from a positioning system), time and date of the incident may be recorded. Information from sensors, such as pressure sensors associated with the bellows of the brakes 3, accelerometers or wheel rotation sensors, may also be recorded. If the trailer 1 is equipped with cameras, the cameras may be activated and image data gathered by the cameras may also be recorded, to assist in determining which party is responsible for the movement of the trailer 1 . The information may be stored in a memory of the EBS for later retrieval, or may be transmitted to a remote control centre via a telematics system.
  • the recording of this information may enable recovery of costs from the ferry operator, or other party responsible for the shunting tractor, and/or alert the owner of the trailer 1 that maintenance/repairs are needed.
  • the EBS may temporarily release the parking valve (if the parking valve is in the "locked” position) on sensing that pressurised air has been introduced into the fluid connection 9. This may be achieved, for instance, through activation of a solenoid (not shown) of the parking valve that is controlled by the ECU 6.
  • the EBS may wait until movement of the trailer 1 is detected before releasing the parking valve, although it is noted that this has the potential disadvantage that in order for movement to be detected the trailer 1 must be dragged with the wheels 2 locked, and the tyres are therefore likely to suffer some damage.
  • the parking valve will only be closed in response to a signal from the fluid sensor 13 if the trailer 1 is in a "ferry mode". This may, for instance, be set by an operator of the trailer 1 upon leaving the trailer 1 at a ferry port.
  • the EBS may determine that the trailer 1 is at a ferry port, for instance by comparing the location of the trailer 1 (as determined by a GPS or other positioning system) against information regarding the location of ferry terminals. This information may be stored in a memory of the EBS, or transmitted to the trailer 1 via a telematics system. If the trailer 1 is not in the ferry mode then the parking valve will remain in the "locked" position, thus helping to prevent theft of the trailer 1 .
  • the EBS may, for this purpose, be provided with a battery to allow the EBS to be powered.
  • the battery may be a rechargeable battery which is charged (directly or indirectly) through the connecting cable 8 when the trailer 1 is connected to a towing tractor.
  • a battery of another component may be used to power the EBS.
  • a telematics system of the trailer 1 may be provided with a rechargeable battery which is charged when the trailer 1 is connected to a towing tractor or other external source of electrical power. When the trailer 1 is disconnected from an external power supply, the flow of power is reversed and the EBS may be powered by the battery of the telematics system.
  • the EBS If the fluid sensor 13 senses that pressurised fluid is no longer being introduced into the fluid supply 10, the EBS is deactivated, and the parking valve is opened (if it had been closed).
  • the invention provides a practical system for detecting and/or preventing damage to the tyres of a trailer, that requires minimum modification of the components of an existing trailer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne un système de commande de remorque destiné à une remorque, lequel système comprend : un système de freinage électronique (EBS); une connexion électrique, au moyen de laquelle de l'énergie électrique peut être fournie à la remorque à partir d'une source extérieure; et un raccord fluidique, au moyen duquel un fluide sous pression peut être fourni à la remorque à partir d'une source extérieure. Le système de commande comprenant un détecteur de fluide, positionné pour détecter l'introduction du fluide sous pression dans le raccord fluidique. En outre, si le détecteur de fluide détecte l'alimentation en fluide sous pression dans le raccord fluidique lorsqu'aucune source d'énergie extérieure n'est connectée à la connexion électrique, de l'énergie est fournie à l'EBS à partir d'une source d'énergie embarquée de manière à activer l'EBS.
PCT/GB2013/053251 2012-12-14 2013-12-10 Système de commande de remorque WO2014091223A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13805496.0A EP2931569B1 (fr) 2012-12-14 2013-12-10 Système de commande de remorque

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1222549.6A GB2508885A (en) 2012-12-14 2012-12-14 Trailer control system where power may be provided to the EBS from an on-board power source
GB1222549.6 2012-12-14

Publications (1)

Publication Number Publication Date
WO2014091223A1 true WO2014091223A1 (fr) 2014-06-19

Family

ID=47630720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2013/053251 WO2014091223A1 (fr) 2012-12-14 2013-12-10 Système de commande de remorque

Country Status (3)

Country Link
EP (1) EP2931569B1 (fr)
GB (1) GB2508885A (fr)
WO (1) WO2014091223A1 (fr)

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SE539021C2 (sv) * 2014-08-13 2017-03-21 Scania Cv Ab System och förfarande för förhindrande av oönskad rörelse hos ett motorfordonsekipage
EP3379222B1 (fr) 2017-03-22 2020-12-30 Methode Electronics Malta Ltd. Ensemble de capteur à base magnétoélastique
EP3758959A4 (fr) 2018-02-27 2022-03-09 Methode Electronics, Inc. Systèmes et procédés de remorquage utilisant la détection magnétique
US11491832B2 (en) 2018-02-27 2022-11-08 Methode Electronics, Inc. Towing systems and methods using magnetic field sensing
US11135882B2 (en) 2018-02-27 2021-10-05 Methode Electronics, Inc. Towing systems and methods using magnetic field sensing
US11084342B2 (en) 2018-02-27 2021-08-10 Methode Electronics, Inc. Towing systems and methods using magnetic field sensing
US11221262B2 (en) 2018-02-27 2022-01-11 Methode Electronics, Inc. Towing systems and methods using magnetic field sensing
CN115071716A (zh) * 2022-05-31 2022-09-20 江铃汽车股份有限公司 一种汽车智能拖车控制方法及系统

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DE2626134A1 (de) * 1976-06-11 1977-12-15 Wabco Westinghouse Gmbh Zweileitungs-bremsanlage fuer anhaengefahrzeuge
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Publication number Publication date
EP2931569B1 (fr) 2016-11-30
GB2508885A (en) 2014-06-18
EP2931569A1 (fr) 2015-10-21
GB2508885A8 (en) 2017-04-12
GB201222549D0 (en) 2013-01-30

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